== sanity test 101a: check read-ahead for random reads === 03:28:49 (1711092529) nreads: 10000 file size: 96MB 24.063554s, 27.2345MB/s osc.lustre-OST0000-osc-ffff88007b2bf000.rpc_stats= snapshot_time: 1711092556.935825137 secs.nsecs start_time: 1711092530.138115767 secs.nsecs elapsed_time: 26.797709370 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 1 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 4: 0 0 0 | 0 0 66 8: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88007b2bf000.rpc_stats= snapshot_time: 1711092556.935947674 secs.nsecs start_time: 1711092530.138165235 secs.nsecs elapsed_time: 26.797782439 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 192 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 1 0 0 | 2 1 1 2: 2 0 0 | 1 0 2 4: 0 0 0 | 0 0 2 8: 7 0 0 | 0 0 2 16: 4987 99 100 | 0 0 2 32: 0 0 100 | 0 0 2 64: 0 0 100 | 0 0 2 128: 0 0 100 | 0 0 2 256: 0 0 100 | 99 97 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 4997 100 100 | 99 97 97 2: 0 0 100 | 2 1 99 3: 0 0 100 | 1 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 4 3 3 1: 0 0 0 | 0 0 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 5 0 0 | 0 0 3 32: 7 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 26 0 1 | 0 0 3 256: 52 1 2 | 1 0 4 512: 108 2 4 | 2 1 6 1024: 205 4 8 | 4 3 10 2048: 430 8 17 | 8 7 18 4096: 859 17 34 | 16 15 34 8192: 1668 33 67 | 32 31 65 16384: 1618 32 100 | 35 34 100 llite.lustre-ffff88007b2bf000.read_ahead_stats= snapshot_time 1711092556.938635310 secs.nsecs start_time 1711092530.140766861 secs.nsecs elapsed_time 26.797868449 secs.nsecs hits 74800 samples [pages] misses 4997 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 74800 samples [pages] failed_to_fast_read 4997 samples [pages] readahead_pages 4996 samples [pages] 1 15 74800